import logging
import math
from typing import Optional, List

from fastapi import APIRouter, Depends, Query, Path
from pydantic import Field, BaseModel
from sqlalchemy import text
from sqlalchemy.exc import SQLAlchemyError
from sqlalchemy.orm import Session
from commons.BaseResponse import BaseResponse
from commons.PaginationBase import PaginationBase
from datebase import get_db
from utils.EncryptionUtil import oauth2_scheme, EncryptionMiddleware

material_ord_head_router = APIRouter(prefix="/material/ordHead", tags=["物料订单管理"],
                                     dependencies=[Depends(oauth2_scheme)])


class MaterialOrderSearch(PaginationBase):
    # 筛选条件
    fsiteNo: Optional[str] = Field("", description="站点编号")
    ftakedateStart: Optional[str] = Field("", description="订单开始日期(yyyyMMdd)")
    ftakedateEnd: Optional[str] = Field("", description="订单结束日期(yyyyMMdd)")
    forduser: Optional[str] = Field("", description="订单创建人")
    fstockno: Optional[str] = Field("", description="仓库编号")
    fsupno: Optional[str] = Field("", description="供应商编号")
    fbillno: Optional[str] = Field("", description="订单编号(支持前缀匹配)")
    fbillstate: Optional[str] = Field("", description="订单状态编码")


@material_ord_head_router.get("/list", summary="物料订单查询接口")
def list_material_ord(search: MaterialOrderSearch = Query(), db: Session = Depends(get_db)):
    param = {}
    sql = "select count(1) from i_tc_ord_head where 1=1"
    if search.fsiteNo != "":
        sql = sql + " and fsite_no = :site_no "
        param["site_no"] = search.fsiteNo
    if search.fbillno != "":
        sql = sql + " and fbillno like concat('%', :fbillno ,'%')"
        param["fbillno"] = search.fbillno
    if search.forduser != "":
        sql = sql + " and forduser = :forduser "
        param["forduser"] = search.forduser
    if search.fsupno != "":
        sql = sql + " and fsupno = :fsupno "
        param["fsupno"] = search.fsupno
    if search.fstockno != "":
        sql = sql + " and fstockno = :fstockno "
        param["fstockno"] = search.fstockno
    if search.fbillstate != "":
        sql = sql + " and fbillstate = :fbillstate "
        param["fbillstate"] = search.fbillstate
    if (search.ftakedateStart != "") and (search.ftakedateEnd != ""):
        sql = sql + " and to_char(forddate,'yyyymmdd') between :ftakedateStart and :ftakedateEnd "
        param["ftakedateStart"] = search.ftakedateStart
        param["ftakedateEnd"] = search.ftakedateEnd
    count = db.execute(text(sql), param).scalar()

    param = {}
    sql = "select fbillno,fsite_no,forduser,forddate"
    sql = sql + ",fplanrecdate,fstockno,fsupno,fitemcount,fpiececount"
    sql = sql + ",ftotalamt,fsrcbillno,fexplanation,fupddate"
    sql = sql + ",foperator,fcheckdate,fcheckuser,fbillstate"
    sql = sql + " from i_tc_ord_head where 1=1"
    if search.fsiteNo != "":
        sql = sql + " and fsite_no = :site_no "
        param["site_no"] = search.fsiteNo
    if search.fbillno != "":
        sql = sql + " and fbillno like concat('%', :fbillno ,'%')"
        param["fbillno"] = search.fbillno
    if search.forduser != "":
        sql = sql + " and forduser = :forduser "
        param["forduser"] = search.forduser
    if search.fsupno != "":
        sql = sql + " and fsupno = :fsupno "
        param["fsupno"] = search.fsupno
    if search.fstockno != "":
        sql = sql + " and fstockno = :fstockno "
        param["fstockno"] = search.fstockno
    if search.fbillstate != "":
        sql = sql + " and fbillstate = :fbillstate "
        param["fbillstate"] = search.fbillstate
    if (search.ftakedateStart != "") and (search.ftakedateEnd != ""):
        sql = sql + " and to_char(forddate,'yyyymmdd') between :ftakedateStart and :ftakedateEnd "
        param["ftakedateStart"] = search.ftakedateStart
        param["ftakedateEnd"] = search.ftakedateEnd
    if search.order == "desc":
        sql = sql + " order by  forddate,fbillno desc "
    else:
        sql = sql + " order by  forddate,fbillno "
    sql = sql + " limit :limit offset :offset "
    param["limit"] = search.limit
    param["offset"] = search.offset
    data = db.execute(text(sql), param).fetchall()

    # details 明细列表
    param = {}
    sql_3 = " select b.fbillno,b.fline,b.fgoodno,b.fbuyprice,b.fqty,b.ftotamt,b.fmemo,c.fgoodname"
    sql_3 = sql_3 + " from i_tc_ord_head a,i_tc_ord_detail b,i_ts_good_info c  "
    sql_3 = sql_3 + " where a.fbillno=b.fbillno"
    sql_3 = sql_3 + " and b.fgoodno=c.fgoodno"
    if search.fsiteNo != "":
        sql_3 = sql_3 + " and a.fsite_no = :fsiteNo "
        param["fsiteNo"] = search.fsiteNo
    if search.fbillno != "":
        sql_3 = sql_3 + " and a.fbillno like concat('%', :fbillno ,'%')"
        param["fbillno"] = search.fbillno
    if search.forduser != "":
        sql_3 = sql_3 + " and a.forduser = :forduser "
        param["forduser"] = search.forduser
    if search.fsupno != "":
        sql_3 = sql_3 + " and a.fsupno = :fsupno "
        param["fsupno"] = search.fsupno
    if search.fstockno != "":
        sql_3 = sql_3 + " and a.fstockno = :fstockno "
        param["fstockno"] = search.fstockno
    if search.fbillstate != "":
        sql_3 = sql_3 + " and a.fbillstate = :fbillstate "
        param["fbillstate"] = search.fbillstate
    if (search.ftakedateStart != "") and (search.ftakedateEnd != ""):
        sql_3 = sql_3 + " and to_char(a.forddate,'yyyymmdd') between :ftakedateStart and :ftakedateEnd "
        param["ftakedateStart"] = search.ftakedateStart
        param["ftakedateEnd"] = search.ftakedateEnd
    sql_3 = sql_3 + " order by b.fbillno,b.fline"
    data_detail = db.execute(text(sql_3), param).fetchall()

    data_list = []
    for key in range(len(data)):
        forddate = ""
        try:
            forddate = data[key][3].strftime('%Y-%m-%dT%H:%M:%S')
        except Exception as e:
            print(e)

        if (forddate == ""):
            forddate = None

        fplanrecdate = ""
        try:
            fplanrecdate = data[key][4].strftime('%Y-%m-%dT%H:%M:%S')
        except Exception as e:
            print(e)

        if (fplanrecdate == ""):
            fplanrecdate = None

        fupddate = ""
        try:
            fupddate = data[key][12].strftime('%Y-%m-%dT%H:%M:%S')
        except Exception as e:
            print(e)

        if (fupddate == ""):
            fupddate = None

        fcheckdate = ""
        try:
            fcheckdate = data[key][14].strftime('%Y-%m-%dT%H:%M:%S')
        except Exception as e:
            print(e)
        if (fcheckdate == ""):
            fcheckdate = None
        d1 = {}
        d1['fbillno'] = data[key][0]
        d1['fsiteno'] = data[key][1]
        d1['forduser'] = data[key][2]
        d1['forddate'] = forddate
        d1['fplanrecdate'] = fplanrecdate
        d1['fstockno'] = data[key][5]
        d1['fsupno'] = data[key][6]
        d1['fitemcount'] = data[key][7]
        d1['fpiececount'] = data[key][8]
        d1['ftotalamt'] = data[key][9]
        d1['fsrcbillno'] = data[key][10]
        d1['fexplanation'] = data[key][11]
        d1['fupddate'] = fupddate
        d1['foperator'] = data[key][13]
        d1['fcheckdate'] = fcheckdate
        d1['fcheckuser'] = data[key][15]
        d1['fbillstate'] = data[key][16]
        sbillno = data[key][0]

        detail_list = []
        for j1 in range(len(data_detail)):
            if (str(data_detail[j1][0]) == str(sbillno)):
                d2 = {}
                d2['fbillno'] = data_detail[j1][0]
                d2['fline'] = data_detail[j1][1]
                d2['fgoodno'] = data_detail[j1][2]
                d2['fbuyprice'] = (data_detail[j1][3])
                d2['fqty'] = (data_detail[j1][4])
                d2['ftotamt'] = (data_detail[j1][5])
                d2['fmemo'] = data_detail[j1][6]
                d2['fgoodname'] = data_detail[j1][7]
                detail_list.append(d2)

        d1["details"] = detail_list
        data_list.append(d1)

    info_dict = {"list": data_list,
                 "limit": search.limit,
                 "page": search.pageIndex,
                 "pages": (count + search.limit - 1) // search.limit,
                 "total": count}
    return BaseResponse.success(data=info_dict)


class MaterialOrderDetail(BaseModel):
    """物料订单明细"""
    fline: int = Field(..., description="明细行号")
    fgoodno: str = Field(..., description="物料编号")
    fgoodname: str = Field(..., description="物料名称")
    fbuyprice: float = Field(..., description="采购单价")
    fqty: float = Field(..., description="采购数量")
    ftotamt: float = Field(..., description="采购金额")
    fmemo: str = Field(..., description="备注")


class MaterialOrderCreate(BaseModel):
    """物料订单新增请求参数"""
    fbillno: str = Field(..., description="订单编号")
    forddate: str = Field(..., description="订单日期(yyyy-MM-dd)")
    forduser: str = Field(..., description="订单创建人")
    fplanrecdate: str = Field(..., description="计划到货日期(yyyy-MM-dd)")
    fsiteNo: str = Field(..., description="站点编号")
    fstockno: str = Field(..., description="仓库编号")
    fsupno: str = Field(..., description="供应商编号")
    fbillstate: int = Field(..., description="订单状态编码")
    fexplanation: Optional[str] = Field("", description="订单说明")
    details: List[MaterialOrderDetail] = Field(..., description="订单明细列表")


@material_ord_head_router.post("/create", summary="物料订单新增接口")
def create_material_ord(create: MaterialOrderCreate, db: Session = Depends(get_db)):
    try:
        fitemcount = 0
        fpiececount = 0
        ftotalamt = 0
        fbillno = create.fbillno
        # 返回内容
        d1 = {}
        with db.begin():
            detail_list = []
            details = create.details
            for detail in details:
                sql = "insert into i_tc_ord_detail(fbillno,fline,fgoodno,fbuyprice,fqty,ftotamt,fmemo)"
                sql = sql + " values( :fbillno , :fline , :fgoodno , :fbuyprice , :fqty , :ftotamt , :fmemo )"
                db.execute(text(sql), {
                    "fbillno": fbillno,
                    "fline": detail.fline,
                    "fgoodno": detail.fgoodno,
                    "fbuyprice": detail.fbuyprice,
                    "fqty": detail.fqty,
                    "ftotamt": detail.ftotamt,
                    "fmemo": detail.fmemo,
                })
                fitemcount = fitemcount + 1
                fpiececount = fpiececount + float(detail.fqty)
                ftotalamt = ftotalamt + float(detail.ftotamt)

                # 返回明细
                d2 = {}
                d2['fbillno'] = fbillno
                d2['fline'] = detail.fline
                d2['fgoodno'] = detail.fgoodno
                d2['fgoodname'] = detail.fgoodname
                d2['fbuyprice'] = float(detail.fbuyprice)
                d2['fqty'] = float(detail.fqty)
                d2['ftotamt'] = float(detail.ftotamt)
                d2['fmemo'] = detail.fmemo
                detail_list.append(d2)
            sql = "insert into i_tc_ord_head(fbillno,fsite_no,forduser,forddate,fplanrecdate,fstockno,fsupno,fitemcount,fpiececount,ftotalamt,fexplanation,fupddate,foperator,fbillstate,fbilltype)"
            sql = sql + " values( :fbillno , :fsiteNo , :forduser , :forddate , :fplanrecdate , :fstockno , :fsupno , :fitemcount , :fpiececount , :ftotalamt , :fexplanation ,now(), :forduser ,1,1)"
            db.execute(text(sql), {
                "fbillno": fbillno,
                "fsiteNo": create.fsiteNo,
                "forduser": create.forduser,
                "forddate": create.forddate,
                "fplanrecdate": create.fplanrecdate,
                "fstockno": create.fstockno,
                "fsupno": create.fsupno,
                "fitemcount": fitemcount,
                "fpiececount": fpiececount,
                "ftotalamt": ftotalamt,
                "fexplanation": create.fexplanation,
            })

            # 返回
            d1['fbillno'] = fbillno
            d1['fsiteno'] = create.fsiteNo
            d1['forduser'] = create.forduser
            d1['forddate'] = create.forddate
            d1['fplanrecdate'] = create.fplanrecdate
            d1['fstockno'] = create.fstockno
            d1['fsupno'] = create.fsupno
            d1['fitemcount'] = fitemcount
            d1['fpiececount'] = fpiececount
            d1['ftotalamt'] = float(ftotalamt)
            d1['fsrcbillno'] = ""
            d1['fexplanation'] = ""
            d1['fupddate'] = create.fplanrecdate
            d1['foperator'] = create.forduser
            d1['fcheckdate'] = None
            d1['fcheckuser'] = None
            d1['fbillstate'] = 1
            d1['fbilltype'] = 1
            d1["details"] = detail_list
            return BaseResponse.success(data=d1)
    except SQLAlchemyError as e:
        # 发生异常时自动回滚
        db.rollback()
        # 记录错误日志
        logging.error(f"数据库错误: {str(e)}")
        # 返回错误响应
        return BaseResponse.error(message="数据库操作失败")
    except Exception as e:
        db.rollback()
        logging.error(f"未知错误: {str(e)}")
        return BaseResponse.error(message="令牌过期")


@material_ord_head_router.post("/update", summary="")
def update_material_ord(update: MaterialOrderCreate, db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)):
    try:
        fitemcount = 0
        fpiececount = 0
        ftotalamt = 0
        fbillno = update.fbillno
        user_id = EncryptionMiddleware.get_current_user(token)
        with db.begin():
            sql = "delete from i_tc_ord_detail where fbillno= :fbillno "
            db.execute(text(sql), {"fbillno": fbillno})
            details = update.details
            for detail in details:
                sql = "insert into i_tc_ord_detail(fbillno,fline,fgoodno,fbuyprice,fqty,ftotamt,fmemo)"
                sql = sql + " values( :fbillno , :fline , :fgoodno , :fbuyprice , :fqty , :ftotamt , :fmemo )"
                db.execute(text(sql), {
                    "fbillno": fbillno,
                    "fline": detail.fline,
                    "fgoodno": detail.fgoodno,
                    "fbuyprice": detail.fbuyprice,
                    "fqty": detail.fqty,
                    "ftotamt": detail.ftotamt,
                    "fmemo": detail.fmemo,
                })
                fitemcount = fitemcount + 1
                fpiececount = fpiececount + float(detail.fqty)
                ftotalamt = ftotalamt + float(detail.ftotamt)
            sql = "update i_tc_ord_head "
            sql = sql + " set fstockno= :fstockno ,fsupno= :fsupno ,fexplanation= :fexplanation "
            sql = sql + ",fitemcount= :fitemcount ,fpiececount= :fpiececount ,ftotalamt= :ftotalamt "
            sql = sql + ",fupddate=now(),foperator= :userid "
            sql = sql + " where fbillno= :fbillno "
            db.execute(text(sql), {
                "fstockno": update.fstockno,
                "fsupno": update.fsupno,
                "fexplanation": update.fexplanation,
                "fitemcount": fitemcount,
                "fpiececount": fpiececount,
                "ftotalamt": ftotalamt,
                "userid": user_id,
                "fbillno": fbillno,
            })
            return BaseResponse.success()
    except SQLAlchemyError as e:
        # 发生异常时自动回滚
        db.rollback()
        # 记录错误日志
        logging.error(f"数据库错误: {str(e)}")
        # 返回错误响应
        return BaseResponse.error(message="数据库操作失败")
    except Exception as e:
        db.rollback()
        logging.error(f"未知错误: {str(e)}")
        return BaseResponse.error(message="令牌过期")


@material_ord_head_router.post("/delete/{fbillno}", summary="单据删除接口")
def delete_material_ord(fbillno: str = Path(description="单号"), db: Session = Depends(get_db),
                    token: str = Depends(oauth2_scheme)):
    try:
        param = {"fbillno": fbillno}
        with db.begin():
            sql = "select count(1) from i_tc_ord_head where fbillno= :fbillno  and fbillstate=1"
            data = db.execute(text(sql), param).fetchall()

            if data[0][0] > 0:
                return BaseResponse.error(message="该单据不能删除")
            else:
                sql = "delete from i_tc_ord_head where fbillno= :fbillno "
                db.execute(text(sql), param)

                sql = "delete from i_tc_ord_detail where fbillno= :fbillno "
                db.execute(text(sql), param)

                return BaseResponse.success()

    except SQLAlchemyError as e:
        # 发生异常时自动回滚
        db.rollback()
        # 记录错误日志
        logging.error(f"数据库错误: {str(e)}")
        # 返回错误响应
        return BaseResponse.error(message="数据库操作失败")
    except Exception as e:
        db.rollback()
        logging.error(f"未知错误: {str(e)}")
        return BaseResponse.error(message="令牌过期")
